cdm Metrics

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cdm_metrics
This article describes the metrics that can be configured using the CPU, Disk, and Memory Performance (cdm) probe.
QoS Metrics
The following tables list all the QoS metrics generated by the cdm probe.
CPU
Monitor Name
QoS Name
Units
Description
Version
Individual CPU Idle
QOS_CPU_MULTI_USAGE
(all of these metrics are calculated from this monitor)
Percent
The percentage of time when an individual CPU of the system was idle.
4.7
Individual CPU System
The percentage of time when an individual CPU of the system was executing the kernel or operating system.
4.7
Individual CPU Usage
The percentage of time for which an individual CPU of the system was used.
4.7
Individual CPU User
The percentage of time for which an individual CPU of the system was executing in user mode.
4.7
Individual CPU Wait
The percentage of time for which an individual CPU of the system was waiting for I/O.
4.7
Individual CPU Steal
The percentage of time for which an individual CPU of the system was waiting involuntarily. During this time, the CPU is not in any of the following states: User; System; Wait; Idle
Note:
This QoS is supported only on the Linux platform.
6.2
Total CPU System
QOS_CPU_USAGE
(all of these metrics are calculated from this monitor)   
Percent  
The sum of CPU time when all CPUs of the system were executing the kernel or operating system.
4.7
Total CPU Usage
The percentage of time for which all CPUs of the system were used.
4.7
Total CPU User
The percentage of time for which all CPUs of the system were executing in user mode.
4.7
Total CPU Wait
The percentage of time for which all CPUs of the system were waiting for I/O.
4.7
Total CPU Idle
The percentage of time for which all CPUs of the system were idle.
4.7
Total CPU Steal
The percentage of time for which all CPUs of the system were waiting involuntarily. During this time, the CPUs are not in any of the following states: User; System; Wait; Idle
Note:
This QoS is supported only on the Linux platform.
6.2
Smt
QOS_CPU_SMT
Count
The number of simultaneous multithreading (SMT) threads enabled in a logical partition (LPAR). If there are two SMT threads, the row is displayed as "on." However, if there are more than two SMT threads, the number of SMT threads is displayed.
Note:
This QoS is supported only on the AIX platform.
6.1
Number of CPU
QOS_CPU_NUM
Count
The total numbers of CPUs in the system that are being monitored.
6.2
Disk
Monitor Name
QoS Name
Units
Description
Version
Disk Usage Change (MB)
QOS_DISK_DELTA
Megabytes
The disk usage change in megabytes
4.7
Disk Usage (MB)
QOS_DISK_USAGE
Megabytes
Aggregated disk usage in megabytes
4.7
Disk Usage (%)
QOS_DISK_USAGE_PERC
Percent
Aggregated disk usage in percentage
4.7
Disk Read (B/s)
QOS_DISK_READ_THROUGHPUT
Bytes/Second
Disk bytes read per second
5.1
Disk Write (B/s)
QOS_DISK_WRITE_THROUGHPUT
Bytes/Second
Disk bytes written per second
5.1
Disk Read and Write (B/s)
QOS_DISK_TOTAL_THROUGHPUT
Bytes/Second
Disk bytes read and written per second
5.1
Disk Size
QOS_DISK_TOTAL_SIZE
Gigabytes
Total size of the disk
5.1
Disk Available
QOS_DISK_AVAILABLE
Available
The availability of the disk
5.1
Inode Usage (Count)
QOS_INODE_USAGE
Inodes
Total number of free file nodes in file system
4.7
Inode Usage (%)
QOS_INODE_USAGE_PERC
Percent
Total number of free file nodes in file system in percentage.
4.7
Disk Latency (ms)
QOS_DISK_LATENCY
Milliseconds
This metric is the total latency of the disk.
6.0
Disk Read Latency (ms)
QOS_DISK_READ_LATENCY
Milliseconds
This metric is the read latency of the disk.
6.0
Disk Write Latency (ms)
QOS_DISK_WRITE_LATENCY
Milliseconds
This metric is the write latency of the disk.
6.0
Disk Free
QOS_DISK_FREE
Megabytes
Aggregated disk free in megabytes
6.30
Disk Free Percent
QOS_DISK_FREE_PERC
Percent
Aggregated disk free in percent
6.30
Disk Usage Change (%)
QOS_DISK_DELTA_PERC
Percent
The disk usage change in percent
6.30
Memory
Monitor Name
QoS Name
Units
Description
Version
Memory Usage (MB)
QOS_MEMORY_USAGE
Megabytes
Total memory usage in megabytes
4.7
Memory Paging (KB/s)
QOS_MEMORY_PAGING
Kilobytes/Second
Memory paging in kilobytes per second
4.7
Memory Paging (Pg/s)
QOS_MEMORY_PAGING_PGPS
Pages/Second
Memory paging in pages per second
4.7
Memory Usage (%)
QOS_MEMORY_PERC_USAGE
Percent
Total memory usage in percentage
4.7
Physical Memory (MB)
QOS_MEMORY_PHYSICAL
Megabytes
The size of the physical memory used on the system in megabytes.
Note:
For this metric, the buffer cache will be subtracted from physical memory value if the key
mem_buffer_used
is set as
No
. This support is added for Linux, AIX, Solaris and HPUX platforms.
5.4
Physical Memory (%)
QOS_MEMORY_PHYSICAL_PERC
Percent
The size of the physical memory used on the system in percentage
4.7
Swap Memory (MB)
QOS_MEMORY_SWAP
Megabytes
Total Swap memory usage in megabytes
4.7
Swap Memory (%)
QOS_MEMORY_SWAP_PERC
Percent
Total Swap memory usage in percent
4.7
System Memory Utilization (%)
QOS_MEMORY_SYS_UTIL
Percent
Total System memory utilization in percent. This metric is supported only on the Windows, Linux and AIX platforms.
5.1
User Memory Utilization (%)
QOS_MEMORY_USR_UTIL
Percent
Total User memory utilization in percent. This metric is supported only on the Windows, Linux and AIX platforms.
5.1
Total Memory
QOS_TOTAL_MEMORY_AME
MB
The size of the total memory in an LPAR in your system, in megabytes.
Note:
This QoS is supported only on the AIX platform.
6.1
Memory Expansion Factor
QOS_MEMORY_EXPANSION_FACTOR_AME
Ratio
The target memory expansion factor that you have configured in your system to increase the total physical memory of an LPAR.
Note:
This QoS is supported only on the AIX platform with Active Memory Expansion (AME) mode enabled.
6.1
Memory Dxm
QOS_MEMORY_EXPANDED_DXM_AME
MB
The size of the memory deficit in an LPAR in your system, in megabytes. At times an LPAR cannot be configured with the provided memory expansion factor as it is too large, and the workload in the LPAR does not compress well. Thus, a memory deficit is created.
Note:
This QoS is supported only on the AIX platform with AME mode enabled.
6.1
Memory Xphysc
QOS_MEMORY_PHYSICAL_PROCESSOR_AME
Count
The number of physical processors used for AME.
Note:
This QoS is supported only on AIX platform.
6.1
Total Memory (Physical + Swap)
QOS_MEMORY_TOTAL
MB
The size of the total memory including the physical and swap memory, in megabytes.
6.2
Physical Memory (Total)
QOS_PHYSICAL_MEMORY_TOTAL
MB
Total amount of physical memory (RAM only) available in the system.
6.3
Available Memory
QOS_MEMORY_AVAILABLE
MB
Amount of memory available in the system. This metric is not supported on AIX and Solaris platforms. On Linux platform, this metric works for RHEL 7 and later versions only.
6.40
Miscellaneous
Monitor Name
QoS Name
Units
Description
Version
Load Average 1 min
QOS_LOAD_AVERAGE_1MIN
Count
The average system load over the last one minute.
Note:
This metric is supported only on the Linux, Solaris, AIX and HP-UX platforms.
5.5
Load Average 5 min
QOS_LOAD_AVERAGE_5MIN
Count
The average system load over the last five minutes.
Note:
This metric is supported only on the Linux, Solaris, AIX and HP-UX platforms.
5.5
Load Average 15 min
QOS_LOAD_AVERAGE_15MIN
Count
The average system load over the last fifteen minutes.
Note:
This metric is supported only on the Linux, Solaris, AIX and HP-UX platforms.
5.5
System Load
QOS_PROC_QUEUE_LEN
Processes
The current calculated average load of the system.
4.7
Folder Available
QOS_SHARED_FOLDER
Available
Populates the data depending upon the disk availability.
The available options are: Missing, New and Ok.
4.7
Computer Uptime Hourly
QOS_COMPUTER_UPTIME
Seconds
It contains information detailing how long the system has been on since its last restart.
4.7
Network
Monitor Name
QoS Name
Units
Description
Version
Network Inbound Traffic
QOS_NETWORK_INBOUND_TRAFFIC
Bytes/Second
The total number of bytes per second received by the server.
5.1
Network Outbound Traffic
QOS_NETWORK_OUTBOUND_TRAFFIC
Bytes/Second
The total number of bytes per second sent by the server.
5.1
Network Aggregated Traffic
QOS_NETWORK_AGGREGATED_TRAFFIC
Bytes/Second
The total number of bytes per second sent and received by the server.
5.1
Interface Errors % (In)
QOS_INBOUND_ERRORS_PERC
Percent
Inbound errors in percent.
6.40
Interface Errors % (Out)
QOS_OUTBOUND_ERRORS_PERC
Percent
Outbound errors in percent.
6.40
Interface Discards % (In)
QOS_INBOUND_DISCARDS_PERC
Percent
Inbound discards in percent. This metric is not supported on the Solaris platform.
6.40
Interface Discards % (Out)
QOS_OUTBOUND_DISCARDS_PERC
Percent
Outbound discards in percent. This metric is not supported on the Solaris platform.
6.40
Interface Utilization % (In)
QOS_INBOUND_UTILIZATION_PERC
Percent
Inbound interface utilization in percent. This metric is not supported on the AIX platform.
6.40
Interface Utilization % (Out)
QOS_OUTBOUND_UTILIZATION_PERC
Percent
Outbound interface utilization in percent. This metric is not supported on the AIX platform.
6.40
  • These metrics are supported only on the Windows, Linux and AIX platforms.
  • These metrics are available only in the AC and MCS interfaces only.
  • From version 6.10
    , these metrics are also supported on HPUX, and Solaris platforms.
Iostat Monitors: Linux Platform
Monitor Name
QoS Name
Units
Description
Version
Iostat Read Requests Merged Per Second
QOS_IOSTAT_RRQM_S
ReadReqMerged/Sec
Total Iostat read requests merged per second that were queued to the device
5.1
Iostat Write Requests Merged Per Second
QOS_IOSTAT_WRQM_S
WriteReqMerged/Sec
Total Iostat write requests merged per second that were queued to the device
5.1
Iostat Reads Per Second
QOS_IOSTAT_RS
Reads/Sec
The number of read requests that were issued to the device per second
5.1
Iostat Writes Per Second
QOS_IOSTAT_WS
Writes/Sec
The number of write requests that were issued to the device per second
5.1
Iostat Sector Reads Per Second
QOS_IOSTAT_SEC_RS
SectorReads/Sec
The number of sectors read from the device per second
5.1
Iostat Sector Writes Per Second
QOS_IOSTAT_SEC_WS
SectorWrites/Sec
The number of sectors written to the device per second
5.1
Iostat Average Request Size
QOS_IOSTAT_AR_SZ
Sectors
The average size (in sectors) of the requests that were issued to the device
5.1
Iostat Average Queue Length
QOS_IOSTAT_AQ_SZ
QueueLength
The average queue length of the requests that were issued to the device
5.1
Iostat Average Wait Time
QOS_IOSTAT_AWAIT
Milliseconds
The average time for I/O requests issued to the device. This includes the time spent by the requests in queue and the time spent servicing them.
5.1
Iostat Average Service Time
QOS_IOSTAT_SVCT
Milliseconds
The average service time for I/O requests that were issued to the device.
5.1
Iostat Utilization Percentage
QOS_IOSTAT_PU
Percent
Percentage of CPU time during which I/O requests were issued to the device.
5.1
Iostat Kilobytes Read Per Second
QOS_IOSTAT_KRS
Kilobytes/Sec  
The amount of data read from the device.
5.2
Iostat Kilobytes Written Per Second
QOS_IOSTAT_KWS
Kilobytes/Sec  
The amount of data written to the device.
5.2
Total Iostat Reads Per Second
QOS_IOSTAT_RS
Reads/Sec
The metric, when enabled at a global level, aggregates the read requests for all the devices, each second.
6.2
Total Iostat Writes Per Second
QOS_IOSTAT_WS
Writes/Sec
The metric, when enabled at a global level, aggregates the write requests for all the devices, each second.
6.2
Total Iostat Reads Writes Per Second
QOS_IOSTAT_RWS
Requests/Sec
The metric, when enabled at a global level, aggregates the read and write requests for all the devices, each second.
6.2
Iostat Monitors: Solaris Platform
Monitor Name
QoS Name
Units
Description
Version
Iostat Disk Reads Per Second
QOS_IOSTAT_RS
Reads/Sec
The number of reads from the device per second
5.1
Iostat Disk Writes Per Second
QOS_IOSTAT_WS
Writes/Sec
The number of writes from the device per second
5.1
Iostat Kilobytes Read Per Second
QOS_IOSTAT_KRS
Kilobytes/Sec
The amount of kilobytes read from the device per second
5.1
Iostat Kilobytes Written Per Second
QOS_IOSTAT_KWS
Kilobytes/Sec
The amount of kilobytes written from the device per second
5.1
Iostat Queue Length
QOS_IOSTAT_QLEN
QueueLength
The average number of transactions waiting for service
5.1
Iostat Active Transactions
QOS_IOSTAT_ACT
Transactions
The average number of transactions that are actively being serviced
5.1
Iostat Average Service Time
QOS_IOSTAT_SVCT
Milliseconds
The average service time in milliseconds
5.1
Iostat Percentage Of Time Waiting For Service
QOS_IOSTAT_PCTW
Percent
The percentage of time there are transactions waiting for service
5.1
Iostat Percentage Of Time Busy
QOS_IOSTAT_PCTB
Percent
The percentage of time the disk is busy
5.1
Total Iostat Reads Per Second
QOS_IOSTAT_RS
Reads/Sec
The metric, when enabled at a global level, aggregates the read requests for all the devices, each second.
6.2
Total Iostat Writes Per Second
QOS_IOSTAT_WS
Writes/Sec
The metric, when enabled at a global level, aggregates the write requests for all the devices, each second.
6.2
Total Iostat Reads Writes Per Second
QOS_IOSTAT_RWS
Requests/Sec
The metric, when enabled at a global level, aggregates the read and write requests for all the devices, each second.
6.2
Iostat Monitors: AIX Platform
Monitor Name
QoS Name
Units
Description
Version
Iostat Percentage Of Time Active
QOS_IOSTAT_PCTA
Percent
The percentage of time the device was active
5.1
Iostat Kilobytes Transferred Per Second
QOS_IOSTAT_KBPS
Kilobytes/Sec
The amount of data transferred (read or written) per second
5.1
Iostat Transfers Per Second
QOS_IOSTAT_TPS
Transfers/Sec
The number of transfers per second.
5.1
Iostat Kilobytes Read
QOS_IOSTAT_KR
Kilobytes
The amount of data read per second from the device in kilobytes
5.1
Iostat Kilobytes Written
QOS_IOSTAT_KW
Kilobytes
The amount of data written to the device
5.1
Iostat Disk Reads Per Second
QOS_IOSTAT_RS
Reads/Sec
The number of reads from the device per second
5.2
Iostat Disk Writes Per Second
QOS_IOSTAT_WS
Writes/Sec
The number of writes from the device per second
5.2
Iostat Kilobytes Read Per Second
QOS_IOSTAT_KRS
Kilobytes/Sec
The amount of kilobytes read from the device per second.
5.2
Iostat Kilobytes Written Per Second
QOS_IOSTAT_KWS
Kilobytes/Sec
The amount of kilobytes written from the device per second
5.2
Total Iostat Reads Per Second
QOS_IOSTAT_RS
Reads/Sec
The metric, when enabled at a global level, aggregates the read requests for all the devices, each second.
6.2
Total Iostat Writes Per Second
QOS_IOSTAT_WS
Writes/Sec
The metric, when enabled at a global level, aggregates the write requests for all the devices, each second.
6.2
Total Iostat Reads Writes Per Second
QOS_IOSTAT_RWS
Requests/Sec
The metric, when enabled at a global level, aggregates the read and write requests for all the devices, each second.
6.2
Alert Metrics Default Settings
The following tables list the Alert Metrics Default Settings, by type, for the cdm probe.
Alert Metric
Warning Threshold
Warning Severity
Error Threshold
Error Severity
Description
CPU Usage
75%
Warning
90%
Major
Total CPU above error threshold
Memory Usage in percent
50%
Warning
90%
Major
Memory Percent Usage
Physical memory usage
85%
95%
Physical Memory Usage
Swap memory usage
60%
85%
Swap Memory Usage
Memory Paging Activity
150KB/ sec
Warning
2000 KB/ sec
Major
Amount of paging that is occurring
Disk Usage and Thresholds (Disk Error)
Alert Metric
Warning Threshold
Warning Severity
Error Threshold
Error Severity
Description
Disk usage (%)
20% of remaining free disk space
Major
10% of remaining free disk space
Disk usage (Mb)
default should be 20% of remaining free disk space
default should be 10% of remaining free disk space
Disk Usage Change and Thresholds (Delta Error)
Alert Metric
Warning Threshold
Warning Severity
Error Threshold
Error Severity
Description
Disk usage
8
200
Inode Usage and Thresholds
Alert Metric
Warning Threshold
Warning Severity
Error Threshold
Error Severity
Description
Inode usage (%)
20
10
Inode usage (inodes)
20
10
Inode Free
20
10
Disk Metric delta
5
10
Max Queue Length
Processor Queue Length
4
Warning
-
-
The number of processes waiting to run
Maximum
MultiCPU CPU usage of single cpu
-
90
Difference
MultiCPU Difference in CPU usage between CPUs
-
50
lostat
Alert Metric
Warning Threshold
Warning Severity
Error Threshold
Error Severity
Description
IostatError
-
-
90
Major
The Iostat monitor value of the device is above the threshold value